Spiders in Manitoba

Spiders are seen in greater numbers during summertime in Manitoba, even around the Winnipeg area. While most are harmless and avoid contact if possible, it is wise to be wary of the black widow, whose venom is quite potent and can cause severe damage.

Spiders in Manitoba Identification Chart

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Common Spiders in Manitoba

Large Spiders in Manitoba

Most Dangerous Spiders in Manitoba

Most Venomous Spiders

Less Venomous Spiders

Common Spiders in Manitoba

Sand Bear Wolf Spider

Cross Orb-weaver Spider

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Large Spiders in Manitoba

Striped Fishing Spider

Dark Fishing Spider

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Most Dangerous Spiders in Manitoba

Western Black Widow Spider

Hobo Spider

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Most Venomous Spiders

Comb-footed Spiders

Western Black Widow (Latrodectus hesperus) - Have you ever heard about the Western Black Widow spider? It's a special spider found mostly in the western areas of North America. They are closely related to the northern black widow.… Continue Reading >

Funnel Weaver Spiders

Hobo (Eratigena agrestis) - The Hobo spider is different from the Australian funnel-web, even though they both belong to the funnel-web spider group. With various scientific names like Philoica agrestis and Tegenaria rhaetica, these spiders can be found in Europe, Central Asia, and North America.… Continue Reading >

Less Venomous Spiders

Crab Spiders

Utah Crab Spider (Bassaniana utahensis)

Jumping Spider

Bronze Jumper Spider (Eris militaris)

Nursery Web Spiders

Striped Fishing (Dolomedes scriptus) - Discover the Striped Fishing Spider! This big spider is part of the Pisauridae family and lives in both the United States and Canada. With its striking patterns and unique habits, it has become a topic of interest.… Continue Reading >

Dark Fishing (Dolomedes tenebrosus) - The Dark Fishing Spider is a special spider from the Pisauridae family. It looks a lot like the striped fishing spider. Here's something wild: after these spiders mate, the male often becomes a meal for the female!… Continue Reading >

Wolf Spiders

Sand Bear Wolf Spider (Arctosa perita)

Orb-weaver Spiders

Cross Orb Weaver (Araneus diadematus) - Did you know the Cross Orb Weaver spider comes from Europe and North America? Their legs are super cool because they can spin special round webs.… Continue Reading >

Frequently Asked Questions

What are the most common types of spiders found in Manitoba?

The most common spiders in Manitoba include the Sand Bear Wolf Spider and the Cross Orb-weaver. Other frequently encountered species are jumping spiders, crab spiders, and various funnel weavers. These spiders are widespread throughout the province and are generally considered harmless to humans, playing a beneficial role in controlling insects.

Are there poisonous spiders living in Manitoba?

Yes, Manitoba is home to venomous spiders, most notably the Western Black Widow. While the majority of spider species in the province are not medically significant to humans, the black widow possesses potent neurotoxic venom. Hobo spiders and comb-footed spiders also have venom, but their bites are less severe.

What is the most dangerous spider in Manitoba?

The most dangerous spider in Manitoba is the Western Black Widow. Its venom is a potent neurotoxin that can cause severe pain, muscle cramps, and other systemic effects in humans. While these spiders are not aggressive and bites are uncommon, their presence requires caution, especially in undisturbed, dark areas.

What are the largest spiders you can find in Manitoba?

The largest spiders in Manitoba are the Striped Fishing Spider and the Dark Fishing Spider. These impressive spiders are often found near water sources like ponds, marshes, and streams where they hunt for insects and small aquatic life. Despite their intimidating size, they are not considered dangerous to people.

Why do I see more spiders in Manitoba during the summer?

You see more spiders in Manitoba during the summer because it is their peak season for activity, growth, and reproduction. The warmer weather increases the population of insects, which are the spiders’ primary food source. This abundance of prey allows spider populations to thrive and become much more visible.

Are wolf spiders frequently seen in Manitoba?

Yes, wolf spiders are frequently seen in Manitoba, with the Sand Bear Wolf Spider being a common example. These spiders are ground-dwelling hunters that actively pursue their prey instead of catching it in a web. They are adaptable and can be found in a wide range of habitats across the province.

How can you identify a Western Black Widow spider in Manitoba?

A female Western Black Widow is identified by her shiny, black, bulbous abdomen featuring a distinct red or orange hourglass-shaped marking on the underside. They are typically found in dark, secluded places like woodpiles, sheds, or cluttered basements where they build messy, irregular webs close to the ground.

Spiders in Manitoba

Common Spiders in Manitoba

Large Spiders in Manitoba

Most Dangerous Spiders in Manitoba